Here is the full list of all 10 Dear Esther: Landmark Edition trophies - there are 4 bronze, 5 silver and 1 gold.
Uncover 4 urns
Trigger all directors' commentary
Finish Chapter 'The Beacon'
Trigger all voice over points
Walk 5000 steps
Finish Chapter 'The Caves'
Finish Chapter 'The Buoy'
Finish Chapter 'The Lighthouse'
Die from falling off a cliff once
Drown Once